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Finding the Fourth Proportional to 162,618.40, 243,927.60 and 136,374.40

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Solution

The fourth proportional to 162,618.40, 243,927.60 and 136,374.40 is: 204,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,618.40 : 243,927.60 = 136,374.40 : x
  2. Step 2: Convert to fraction form
    162,618.40/243,927.60 = 136,374.40/x
  3. Step 3: Cross multiply
    162,618.40x = 243,927.60 × 136,374.40
  4. Step 4: Simplify right side
    162,618.40x = 33,265,480,093.44
  5. Step 5: Solve for x
    x = 33,265,480,093.44/162,618.40
  6. Step 6: Final answer
    x = 204,561.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.